Fix nested extension types

[jondo2010]

This PR fixes various issues with Extension types at various nesting levels. Rebased onto main.

[codecov]

Codecov Report

Base: 83.12% // Head: 83.12% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (c1e0f4b) compared to base (e698d48).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head c1e0f4b differs from pull request most recent head b4e1de3. Consider uploading reports for the commit b4e1de3 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1334   +/-   ##
=======================================
  Coverage   83.12%   83.12%           
=======================================
  Files         370      370           
  Lines       40196    40170   -26     
=======================================
- Hits        33414    33393   -21     
+ Misses       6782     6777    -5     

Impacted Files	Coverage Δ
src/array/list/mod.rs	83.66% <100.00%> (ø)
src/array/struct_/mod.rs	64.73% <100.00%> (+4.62%)	⬆️
src/array/union/mod.rs	76.55% <100.00%> (-8.07%)	⬇️
src/io/ipc/read/stream_async.rs	74.65% <0.00%> (-2.06%)	⬇️
src/io/json_integration/read/array.rs	85.71% <0.00%> (-0.04%)	⬇️
src/io/ipc/read/file.rs	96.87% <0.00%> (ø)
src/array/union/iterator.rs	61.90% <0.00%> (ø)
src/compute/sort/row/variable.rs	100.00% <0.00%> (ø)
src/compute/comparison/primitive.rs	95.04% <0.00%> (+0.03%)	⬆️
... and 11 more

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[jorgecarleitao]

Thank you for this PR! I have a minor comment, but otherwise we can merge it.

[jondo2010]

Seems like a codecov submission failure. @jorgecarleitao, can you re-trigger the build on this please?